package com.example.work3.QQSave;

import android.content.Context;

import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;

public class Save {
    public static boolean saveUserInfo(Context context,String account, String password){
        FileOutputStream fos =null;
        try{
            fos= context.openFileOutput("data_neam.text",Context.MODE_PRIVATE);
            fos.write((account + ":"+password).getBytes());
            return true;
        }catch (Exception e){
            e.printStackTrace();
            return false;
        }finally{
            try{
                if (fos != null){
                    fos.close();
                }
            }catch (IOException e){
                e.printStackTrace();
            }
        }
    }

    public static Map<String, String> getUserInfo (Context context){
        String content="";
        FileInputStream fis = null;
        try{
            fis=context.openFileInput("data_neam.text");
            byte[] buffer = new byte[fis.available()];
            fis.read(buffer);
            content= new String(buffer);
            Map<String,String> userMap=new HashMap<String, String>();
            String[] infos = content.split(":");
            userMap.put("account",infos[0]);
            userMap.put("password",infos[1]);
            return userMap;

        }catch (Exception e){
            e.printStackTrace();
            return null;
        }finally {
            try{
                if (fis != null){
                    fis.close();
                }
            }catch (IOException e){
                e.printStackTrace();
            }
        }
    }
}
